Fact-checking the misleading claim about uncounted ballots in 2020 - PolitiFact

… And, election experts say, it ignores the principal reason that millions of mailed ballots legitimately end up in the "unknown" category: Some people just don't vote…

https://www.politifact.com/factchecks/2021/sep/14/facebook-posts/fact-checking-misleading-claim-about-uncounted-bal/